<template>
    <div class="app-container">

            <!--查询表单-->
        <el-form :inline="true" class="demo-form-inline">
            <el-form-item>
                <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
            </el-form-item>
            <el-form-item>
                <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
                    <el-option :value="1" label="高级讲师"/>
                    <el-option :value="2" label="首席讲师"/>
                </el-select>
            </el-form-item>
            <el-form-item label="添加时间">
                <el-date-picker
                v-model="teacherQuery.begin"
                type="datetime"
                placeholder="选择开始时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                default-time="00:00:00"
                />
            </el-form-item>
            <el-form-item>
                <el-date-picker
                v-model="teacherQuery.end"
                type="datetime"
                placeholder="选择截止时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                default-time="00:00:00"
                />
            </el-form-item>
            <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
            <el-button type="default" @click="resetData()">清空</el-button>
        </el-form>



         <template>
            <el-table
            :data="teachers"
            style="width: 100%">
            
                <el-table-column
                    label="序号"
                    width="120"
                    align="center">
                    <template slot-scope="scope">
                        {{(page-1)*limit+scope.$index+1}}
                    </template>
                </el-table-column>
                
                
                <el-table-column
                    prop="name"
                    label="讲师姓名"
                    width="180">
                </el-table-column>


                <!-- <el-table-column
                    prop="intro"
                    label="讲师简介"
                    max-height=30
                    height=30>
                </el-table-column> -->

                <el-table-column
                    prop="career"
                    label="讲师资历">
                </el-table-column>

                <el-table-column
                    label="头衔"
                    width="180">
                    <template slot-scope="scope">
                        {{scope.row.level===1?'高级讲师':'首席讲师'}}
                    </template>
                </el-table-column>

                <el-table-column
                    prop="sort"
                    label="排序"
                    width="120">
                </el-table-column> 

                <el-table-column label="操作" width="200" align="center">
                    <template slot-scope="scope">
                    <router-link :to="'/teacher/edit/'+scope.row.id">
                        <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
                    </router-link>
                    <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeTeacherById(scope.row.id)">删除</el-button>
                    </template>
                </el-table-column>
            
            </el-table>

        </template>

        <el-pagination
        @size-change="handleSizeChange"
        @current-change="getList"
        :current-page="page"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="5"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
        </el-pagination>

    </div>
</template>

<script>

//引入teacher.js文件
import teacher from '@/api/edu/teacher.js'

export default {
    // data:{

    // },
    data(){//定义变量和初始值
        return{
            page:1,//当前页
            limit:5,//每页记录数
            total:0,//总记录数
            teacherQuery:{},//条件封装对象
            teachers:null

        }
    },
    created(){//页面渲染之前执行，一般调用methods定义的方法
        this.getList()
    },
    methods:{//创建具体的方法，调用teacher.js定义的方法。
        //讲师列表方法
        getList(page = 1){
            this.page = page
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
            .then(response => {//请求成功
                this.teachers = response.data.records
                this.total = response.data.total
            }).catch(error => {//请求失败
                console.log(error)
            })
        },
        handleSizeChange(val){
            this.limit = val
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
            .then(response => {//请求成功
                this.teachers = response.data.records
                this.total = response.data.total
            }).catch(error => {//请求失败
                console.log(error)
            })
        },
        resetData(){
            //清空表单数据
            this.teacherQuery={}
            //查询所有讲师
            this.getList()
        },
        removeTeacherById(id){
            this.$confirm('将删除此用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).then(() => {

                    //执行删除操作
                    teacher.deleteTeacherById(id)
                        .then(response => {//删除成功
                            this.$message({
                                type: 'success',
                                message: '删除成功!'
                            });
                            this.getList()
                        });
                });
        }
        
    }
}
</script>